<template>
    <div>
        <city-header></city-header>
        <city-search :cities='cities'></city-search>
        <city-list :cities='cities' :hot='hotCities' :letter='letter'></city-list>
        <city-alphabet :cities='cities' @change="handleLetterChange"></city-alphabet>
    </div>
</template>


<script>
import axios from 'axios'
import CityHeader from './components/Header';
import CitySearch from './components/Search';
import CityList from './components/List';
import CityAlphabet from './components/Alphabet'
export default {
    name:'City',
    components:{
        CityHeader,
        CitySearch,
        CityList,
        CityAlphabet
    },
    data(){
        return{
            cities:{},
            hotCities:[],
            letter:''
        }
    },
    methods:{
        getCityInfo(){
      axios.get('/api/city.json')//发送请求,返回一个promise对象  在写转发机制 vue代理 在config中index.js中的proxyTable
        .then(this.getCityInfoSucc)
        },
        getCityInfoSucc(res){
            // console.log(res)
            res = res.data
            if(res.ret && res.data){
                const data = res.data
                this.cities = data.cities
                this.hotCities = data.hotCities
            }
        },
        handleLetterChange(s){
            this.letter = s
        }
    },
    mounted(){
        this.getCityInfo()
    }
}
</script>


<style lang="stylus" scoped>



</style>
